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Old 11-08-2018, 01:01 PM   #1
jmkinggg
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Default No gears, rolls in park!

I have a 93 Range Rover Classic 4.2. Last night I was driving and went from a red light to green light accelerated and then all of the sudden no gears at all and it has the semi loud spinning noise as if something isn't connected. It rolls in park. Shifting the transfer case did nothing either. Everything I've read has said either the transfer case or the rear diff could be to blame. Is there any information you can offer on this? Suggestions? Is it a good thing that no gears work? I've never had a tranny just go out completely without having reverse or another gear for a little longer. Thanks so much! Any information would be greatly appreciated.

93 range rover 4.2 approx 82k miles (probably rolled over)
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Old 11-08-2018, 01:06 PM   #2
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This thread should answer your question.
https://nas-row.com/showthread.php?t=2379
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Old 11-08-2018, 01:19 PM   #3
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Thinking out loud here ....
The park pawl is at the back (rear output)of the Zf4HP22 next to the shift valve control body, but if it's not locking in P, the problem has to be upstream of the final output of the transmission, which would mean it's internal in the trany, which is highly unlikely. Being that this transmission is HIGHLY reliable, the problem is probably in the transfer case.

Looking for the simplest cause 1st, I'd make sure the shift cable is fully intact (could be stuck in N) and the cable is broken. Then the high/low range shift mechanism is fully functional, this is probably the cause. There is a link/bar connector external off of the shift body that is really weak, I found mine to be almost broken one day, and welded it back together just before it was on the verge of breaking.
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Old 11-08-2018, 02:11 PM   #4
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Have someone look at the driveshafts as you try and move and see if one of them is spinning. That will point to the broken axle. Not likely the transfer case unless you popped it into neutral....
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Old 11-08-2018, 02:31 PM   #5
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Thanks for the quick reply guys. I'm going to take a video of the noise its making to see if that can help with narrowing down the issue further. The noise is a semi loud spinning noise not like grinding. Need to get the truck back on the road asap!
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Old 11-08-2018, 02:51 PM   #6
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Don't waste your time with noises and videos. They never help.

Look underneath for spinning driveshafts.
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Old 11-08-2018, 08:48 PM   #7
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Ok guys. I've determined the spinning whine is coming from the transfer case. There is no spinning of the driveshafts when the truck is in drive, reverse etc. Drained tcase fluid and it was brown milkyish, it now has fresh fluid. Thoughts? Thanks!
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Old 11-08-2018, 08:53 PM   #8
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Are you sure the transfer case shifter is not in neutral?
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Old 11-08-2018, 08:56 PM   #9
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I've moved the shifter in the cab for the tcase from H to N to L several times and it seems I can feel something barely grabbing and making noise when going back into H but I'm not sure if anything else is happening. I've checked under the truck at the linkage and all seems to still be attached.
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Old 11-08-2018, 09:04 PM   #10
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Are you moving the lever to the left (Diff Lock)? If not you need to and try to drive forward and back.
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